Читать книгу Marvels of Scientific Invention - Thomas W. Corbin - Страница 3
DIAGRAMS
Оглавление| fig. | page | |
| 1. | Principle of Galvanometer | 30 |
| 2. | String Galvanometer | 31 |
| 3. | Duddell Thermo-Galvanometer | 39 |
| 4. | Construction of a Voltmeter | 64 |
| 5. | The Working of a Refrigerating Machine | 70 |
| 6. | Hertz's Machine | 155 |
| 7. | Hertz "Detector" | 156 |
| 8. 9. 10. | Wireless Waves | 158 |
| 11. | A Wireless Antenna | 164 |
| 12. | Poulsen's Machine | 166 |
| 13. 14. | How Pictures are sent by Wire | 177 |
| 15. | Message received by Telewriter | 189 |